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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package cl.tienda.control;

import cl.tienda.modelo.Producto;
import cl.tienda.modelo.Usuario;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author cesar
 */
public class ServletInicioSesion extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    Vector<Producto> productos;
    
  
    
    public void inicializarProductos(){
        this.productos=new Vector<Producto>();
        Producto prod1= new Producto(1, 10, "Televisor Samsung",12.50f);
        Producto prod2= new Producto(2, 20, "Usb Kingston 2Gb",40f);
        Producto prod3= new Producto(3, 15, "Laptop HP DV9000",7899.99f);
        
        this.productos.add(prod1);
        this.productos.add(prod2);
        this.productos.add(prod3);
        
        
    }
    Vector<Usuario> usuarios;
    public void inicializarUsuarios(){
        this.usuarios=new Vector<Usuario>();
        Usuario user1= new Usuario(1, "Juanito","Perez","jperez","1213","cliente");
        Usuario user2= new Usuario(2, "El","Tarro","etarro","3242","empleado");
      
        
        this.usuarios.add(user1);
        this.usuarios.add(user2);
      
        
        
    }
    
    /*protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. 
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ServletInicioSesion</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet ServletInicioSesion at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }*\

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param confing
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    public void init(ServletConfig confing) throws ServletException{
        this.inicializarProductos();
        this.inicializarUsuarios();
        
    }
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request,response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
       
        String usuario =request.getParameter("txtUsuario");
        String clave =request.getParameter("txtClave");
        String direccion="error.html";
        HttpSession sesion=request.getSession();
        if (sesion.isNew()){
            sesion=request.getSession(true);
            sesion.setAttribute("usuarios", usuarios);
            sesion.setAttribute("productos", productos);
            
        }else{
            usuarios=(Vector<Usuario>) sesion.getAttribute("usuarios");
            productos=(Vector<Producto>) sesion.getAttribute("productos");
        }
        
        for(int i=0;i <usuarios.size();i++){
                if((usuarios.get(i).getUsuario().compareTo(usuario)==0)&&
                  (usuarios.get(i).getClave().compareTo(clave)==0)){
                    sesion.setAttribute("UsuarioInicio", usuarios.get(i));
                    if(usuarios.get(i).getPrivilegio().compareTo("cliente")==0){
                        direccion="ServletCConProd";
                    }else{
                        direccion="ServletCConProd";
                    }
                   break;
                          
                }    
            }
        response.sendRedirect(direccion);
        
        
        
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
    
    

}
